MDCAT Chemistry Paper 2025#Gases#Ideal Gas Equation86Choose the best answerWhich equation is used to calculate concentration for n mole of an ideal gas? (IBA MDCAT 2025)AP/RTBPV/RTCPVM/RTDPM/RT Like 0 Discuss 0Share
GasesMean Square Speed87Choose the best answerIf c represents molecular speed, the mean square speed is represented by:AcBc̄²C√cDc̄ Like 0 Discuss 0Share
GasesIdeal Behaviour of Helium88Choose the best answerHelium behaves very nearly as an ideal gas because:AIt has strong intermolecular attractionsBIts atoms have very large volumeCIt has a high boiling pointDIntermolecular attractions between He atoms are very weak Like 0 Discuss 0Share
GasesBoyle's Law Isotherms89Choose the best answerFor a fixed amount of an ideal gas, why does a Boyle's law isotherm at higher temperature lie farther from the origin?AMolecular mass increasesBNumber of moles increasesCThe gas constant increasesDThe value of PV = nRT is greater Like 0 Discuss 0Share
GasesCelsius and Kelvin Temperature Scales90Choose the best answerThe approximate relationship between Celsius and Kelvin temperature is:AK = °C − 273BK = °C + 273CK = °C × 273DK = °C/273 Like 0 Discuss 0Share